axmol/cocos/2d/CCSpriteFrame.h

/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2008-2011 Ricardo Quesada
Copyright (c) 2011      Zynga Inc.

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#ifndef __SPRITE_CCSPRITE_FRAME_H__
#define __SPRITE_CCSPRITE_FRAME_H__

#include "CCNode.h"
#include "CCProtocols.h"
#include "CCObject.h"
#include "CCGeometry.h"

NS_CC_BEGIN

class Texture2D;

/**
 * @addtogroup sprite_nodes
 * @{
 */

/** @brief A SpriteFrame has:
    - texture: A Texture2D that will be used by the Sprite
    - rectangle: A rectangle of the texture


 You can modify the frame of a Sprite by doing:
 
    SpriteFrame *frame = SpriteFrame::frameWithTexture(texture, rect, offset);
    sprite->setDisplayFrame(frame);
 */
class CC_DLL SpriteFrame : public Object, public Clonable
{
public:

    /** Create a SpriteFrame with a texture filename, rect in points.
     It is assumed that the frame was not trimmed.
     */
    static SpriteFrame* create(const std::string& filename, const Rect& rect);
    
    /** Create a SpriteFrame with a texture filename, rect, rotated, offset and originalSize in pixels.
     The originalSize is the size in pixels of the frame before being trimmed.
     */
    static SpriteFrame* create(const std::string& filename, const Rect& rect, bool rotated, const Point& offset, const Size& originalSize);
    
    /** Create a SpriteFrame with a texture, rect in points.
     It is assumed that the frame was not trimmed.
     */
    static SpriteFrame* createWithTexture(Texture2D* pobTexture, const Rect& rect);

    /** Create a SpriteFrame with a texture, rect, rotated, offset and originalSize in pixels.
     The originalSize is the size in points of the frame before being trimmed.
     */
    static SpriteFrame* createWithTexture(Texture2D* pobTexture, const Rect& rect, bool rotated, const Point& offset, const Size& originalSize);
    /**
     * @js NA
     * @lua NA
     */
    virtual ~SpriteFrame(void);

    /** Initializes a SpriteFrame with a texture, rect in points.
     It is assumed that the frame was not trimmed.
     */
    bool initWithTexture(Texture2D* pobTexture, const Rect& rect);

    /** Initializes a SpriteFrame with a texture filename, rect in points;
     It is assumed that the frame was not trimmed.
     */
    bool initWithTextureFilename(const std::string& filename, const Rect& rect);

    /** Initializes a SpriteFrame with a texture, rect, rotated, offset and originalSize in pixels.
    The originalSize is the size in points of the frame before being trimmed.
    */
    bool initWithTexture(Texture2D* pobTexture, const Rect& rect, bool rotated, const Point& offset, const Size& originalSize);

    /** Initializes a SpriteFrame with a texture, rect, rotated, offset and originalSize in pixels.
     The originalSize is the size in pixels of the frame before being trimmed.

     @since v1.1
     */
    bool initWithTextureFilename(const std::string& filename, const Rect& rect, bool rotated, const Point& offset, const Size& originalSize);


    // attributes
    inline const Rect& getRectInPixels() const { return _rectInPixels; }
    void setRectInPixels(const Rect& rectInPixels);

    inline bool isRotated(void) const { return _rotated; }
    inline void setRotated(bool rotated) { _rotated = rotated; }

    /** get rect of the frame */
    inline const Rect& getRect(void) const { return _rect; }
    /** set rect of the frame */
    void setRect(const Rect& rect);

    /** get offset of the frame */
    const Point& getOffsetInPixels(void) const;
    /** set offset of the frame */
    void setOffsetInPixels(const Point& offsetInPixels);

    /** get original size of the trimmed image */
    inline const Size& getOriginalSizeInPixels(void) const { return _originalSizeInPixels; }
    /** set original size of the trimmed image */
    inline void setOriginalSizeInPixels(const Size& sizeInPixels) { _originalSizeInPixels = sizeInPixels; }

    /** get original size of the trimmed image */
    inline const Size& getOriginalSize(void) const { return _originalSize; }
    /** set original size of the trimmed image */
    inline void setOriginalSize(const Size& sizeInPixels) { _originalSize = sizeInPixels; }

    /** get texture of the frame */
    Texture2D* getTexture(void);
    /** set texture of the frame, the texture is retained */
    void setTexture(Texture2D* pobTexture);

    const Point& getOffset(void) const;
    void setOffset(const Point& offsets);

    // Overrides
	virtual SpriteFrame *clone() const override;

protected:
    Point _offset;
    Size _originalSize;
    Rect _rectInPixels;
    bool   _rotated;
    Rect _rect;
    Point _offsetInPixels;
    Size _originalSizeInPixels;
    Texture2D *_texture;
    std::string  _textureFilename;
};

// end of sprite_nodes group
/// @}

NS_CC_END

#endif //__SPRITE_CCSPRITE_FRAME_H__